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Enamel Steel Plate | Premium Porcelain Enamel Steel Sheet — Manufactured in China
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Description
MESCO STEEL is a leading China-based manufacturer of enamel steel plate (also known as porcelain enamel steel, vitreous enameled steel, or glass-lined steel sheet). Engineered with a low-carbon enameling-grade steel substrate and a high-temperature-fused glass coating, our enamel steel plates deliver superior corrosion resistance, fire safety, weather durability, and color stability — making them the preferred material for storage tanks, architectural facades, transportation infrastructure, signage, and industrial equipment worldwide.
With over 19 years of enameling expertise, advanced two-coat / two-fire (2C2F) production lines, and export experience to more than 100+ countries, MESCO STEEL is the trusted B2B partner for distributors, OEMs, contractors, and project buyers seeking consistent quality, competitive factory pricing, and reliable on-time delivery.
What Is an Enamel Steel Plate?
An enamel steel plate is a composite material that fuses a thin layer of vitreous porcelain enamel (ground glass frit) onto a low-carbon steel substrate at temperatures between 820°C and 880°C. The firing process chemically bonds the glass coating to the steel, creating a surface that combines the structural strength of steel with the chemical inertness, non-combustibility, and aesthetic stability of glass.
Unlike painted or powder-coated steel, enamel steel plate is not susceptible to UV degradation, fading, peeling, or chemical attack. The result is a long-life surface that performs reliably in outdoor, corrosive, high-temperature, and high-traffic environments — typically retaining its appearance and integrity for more than 30 years with minimal maintenance.
Why B2B Buyers Choose Enamel Steel Over Alternatives
●vs. Painted / Powder-Coated Steel: Enamel does not fade, chalk, or delaminate under UV. 10x longer service life outdoors.
●vs. Stainless Steel: 30–60% lower total cost, superior chemical resistance in acidic environments, and color flexibility.
●vs. Aluminum Composite Panels (ACP): Non-combustible (EN A1 fire rating), no core delamination risk, greater impact resistance.
●vs. Fiber Reinforced Plastic (FRP): Higher mechanical strength, no resin degradation, fully recyclable.
Product Specifications
Why B2B Buyers Choose Enamel Steel Over Alternatives
MESCO STEEL produces enamel steel plates to international standards including ISO 28721, EN 10209, ASTM A424, and China GB/T 13955. Every production lot undergoes full traceability testing before release.
Application
| Specification | Parameters & Standards |
| Product Name | Enamel Steel Plate / Porcelain Enamel Steel Sheet / Vitreous Enameled Steel Panel |
Base Steel Grade | Low-carbon enameling steel: DC01EK, DC04EK, SPCE, SAE 1006/1008, cold-rolled enamel-grade steel |
Thickness Range | 0.3 mm – 6.0 mm (custom thicknesses available on request) |
Width Range | 600 mm – 2,000 mm |
Length Range | 500 mm – 12,000 mm (cut-to-size service available) |
Enamel Coating Thickness | 150 – 350 microns (μm) depending on application |
Coating Process | Two-coat / two-fire (2C2F) or three-coat / three-fire wet spray process, fired at 820–880°C |
Standard Colors | White (RAL 9010 / 9016), Grey, Blue, Black, Green; custom RAL and Pantone colors available |
| Surface Finish | Glossy, Semi-Gloss, Matte; smooth or textured |
Standards Compliance | ISO 28721, EN 10209, GB/T 13955, ASTM A424, ASME-compliant options |
Packaging | Wooden crates with edge protection, moisture-proof film, fumigated pallets for international export |
MOQ | 1 tons (flexible for trial orders and sample evaluations) |
Technical Performance & Testing Data
Our enamel steel plates are independently tested to verify compliance with international enameling and building material standards. The table below summarizes typical performance values — full test certificates (SGS, BV, Intertek) are provided with every shipment on request.
| Property | Test Method / Standard | Typical Value |
| Acid Resistance | ISO 28706-1 (Citric Acid) | Class AA (highest) |
| Alkali Resistance | ISO 28706-2 | Class A |
| Impact Resistance | ASTM C374 | ≥ 8 N·m |
Adhesion Strength | ISO 4532 | Grade 1–2 (excellent) |
Pencil Hardness | ISO 15184 | 6H – 8H |
Heat Resistance | Continuous service | Up to 450°C |
Weather Resistance | ASTM G154 QUV | > 30 years outdoor |
Fire Rating | EN 13501-1 | A1 Non-combustible |
Key Performance Highlights
●Corrosion Resistance: No rusting, pitting, or surface oxidation — ideal for marine, chemical, and buried applications.
●Self-Cleaning Surface: Hydrophilic glass surface sheds dust and pollutants; maintenance cost up to 80% lower than coated steel.
●Color Permanence: ΔE color change < 2 after 4,000 hours of accelerated UV exposure (ASTM G154).
●Non-Combustible (A1): Zero flame spread, zero smoke emission — meets strictest building fire codes globally.
Available Base Steel Grades
MESCO STEEL sources enameling-grade cold-rolled steel from top Chinese mills including Baosteel, Ansteel, and WISCO. All substrate steel is low-carbon, low-interstitial, and specifically decarburized to prevent fish-scaling — a defect common when ordinary steel is enameled.
| Grade | Equivalent | Carbon Content | Best For |
| DC01EK | EN 10209 | ≤ 0.08% | Single-fire enamel |
| DC04EK | EN 10209 | ≤ 0.06% | Deep-drawn parts |
DC06EK | EN 10209 | ≤ 0.02% | Complex forming |
SPCE | JIS G3141 | ≤ 0.08% | General enameling |
CRU | ASTM A424 | ≤ 0.04% | Appliances, tanks |
Applications & Industries Served
MESCO STEEL enamel steel plates are engineered for demanding industrial and architectural applications across more than 40 countries. The versatility of our product makes it suitable for a wide range of B2B end uses:
| Industry | Typical Applications |
| Storage Tanks & Silos | Glass-fused-to-steel (GFS) tanks, grain silos, water storage, wastewater treatment, biogas digesters, sludge tanks |
| Architecture & Construction | Building facades, curtain walls, tunnel cladding, metro station panels, airport interiors, high-rise exterior walls |
| Transportation | Subway and metro wall panels, tunnel linings, highway sound barriers, railway station panels |
Signage & Displays | Road signs, traffic signs, corporate signage, wayfinding systems, outdoor advertising boards |
Writing & Projection Surfaces | Whiteboards, chalkboards, interactive classroom boards, projection screens |
Household Appliances | Cooker interior linings, oven cavities, gas stove panels, water heater tanks, BBQ grills |
Chemical & Industrial | Reactor vessels, heat exchanger plates, flue gas desulfurization (FGD) systems, chemical processing equipment |
Featured Project Examples
●Glass-Fused-to-Steel (GFS) Tanks: Supplied over 120,000 m² of enamel panels for potable water, wastewater, and biogas storage projects in Europe, Southeast Asia, and the Middle East.
●Metro & Subway Systems: Wall cladding for metro stations in multiple Asian capitals, meeting 30-year service-life specifications.
●Tunnel Linings: Highway and rail tunnel enamel panels delivering fire safety, easy cleaning after exhaust staining, and high light reflectance for driver safety.
●High-Rise Building Facades: Color-stable enameled cladding for commercial and residential towers in demanding coastal and polluted urban environments.
Manufacturing Capabilities
Our Chinese factory is equipped with state-of-the-art enameling production lines designed for consistent, large-volume output that meets the demands of international B2B customers.
Production Infrastructure
●Factory Area: 65,000 m² integrated manufacturing campus with dedicated enameling, forming, and finishing zones.
●Annual Capacity: Up to 3,000,000 m² of enamel steel plate per year across multiple production lines.
●Continuous Firing Furnaces: Computer-controlled roller-hearth furnaces with ±5°C temperature uniformity for uniform coating quality.
●Wet-Spray Coating Lines: Fully automated robotic spray cabins ensure consistent coating thickness and minimal defect rates (< 0.3%).
●In-House Frit Production: Proprietary enamel frit formulations tuned for specific applications (acid-resistant, UV-grade, writing surface, etc.).
●Forming & Fabrication: CNC cutting, bending, punching, and custom profiling available before or after enameling.
Frequently Asked Questions (FAQ)
Q1: What is the difference between enamel steel plate and porcelain enamel steel?
They refer to the same product. “Enamel steel,” “porcelain enamel steel,” “vitreous enameled steel,” and “glass-lined steel” are interchangeable terms for steel coated with a fused glass (vitreous enamel) layer. MESCO STEEL uses all terms depending on market preference.
Q2: How long does an enamel steel plate last?
In typical outdoor and industrial environments, MESCO STEEL enamel panels have a service life exceeding 30 years without significant loss of color, gloss, or corrosion protection. Some reference installations have performed for 50+ years.
Q3: Can enamel steel plates be cut, drilled, or bent on site?
Drilling and light cutting are possible with carbide or diamond-tipped tools, but we strongly recommend ordering pre-formed and pre-drilled panels from the factory to avoid edge chipping. MESCO STEEL provides free technical consultation on installation design.
Request a Quote — Start Your Enamel Steel Project Today
- MESCO STEEL is ready to become your long-term enamel steel plate supply partner. Whether you are sourcing for a one-time project or establishing a recurring wholesale supply chain, our sales engineers are available to provide fast quotations, technical drawings, samples, and project-specific recommendations.
- Contact us today — experience the quality, cost, and service that have made MESCO STEEL the preferred choice for B2B buyers in over 100+ countries.
| Company | MESCO STEEL — Enamel Steel Plate Manufacturer (China) |
| Website | www.mescogroup.com.cn |
| Email | mesco@mescogroup.com.cn |
| WhatsApp / WeChat | +86 15134565556 |
Response Time | Within 8 hours (quotation) | Within 12 hours (technical) |
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